Abstract PEM (Polymer Electrolyte Membrane) fuel cells have the potential to reduce our
energy use, pollutant emissions, and dependence on fossil fuels. In the past decade …

Polymer electrolyte membrane (PEM) fuel cells are electrochemical devices that directly
convert the chemical energy stored in fuel into electrical energy with a practical conversion …

Proton exchange membrane fuel cells, consuming hydrogen and oxygen to generate clean
electricity and water, suffer acute liquid water challenges. Accurate liquid water modelling is …

Proton exchange membrane (PEM) fuel cells are at the dawn of commercialization. Their
operation and design characteristics, hence their performance, are closely linked to the …

The mitigation of water flooding in the gas diffusion layer (GDL) at relatively high current
densities is indispensable for enhancing the performance of proton exchange membrane …

There is a need to understand the structure properties of gas-diffusion layers (GDLs) in order
to optimize their performance in various electrochemical devices. This information is …

Proton exchange membrane (PEM) fuel cells are a promising candidate as the next-
generation power sources for portable, transportation, and stationary applications. Gas …

Grid-scale energy storage systems are of interest as the world increases reliance on
renewable energy sources. Redox flow batteries are a type of grid-scale energy storage …

In this article, a two-dimensional, multiphase, transient model is introduced and used to
explore the impact of catalyst-layer thickness on performance. In particular, the tradeoffs …

X-ray phase-contrast imaging and tomography make use of the refraction of X-rays by the
sample in image formation. This provides considerable additional information in the image …